Different aspects of human interaction with the natural environment is studied by environmental sociologists including population and demography, organizations and institutions, technology, health and illness, culture, and social inequality . Although the focus of the field is the relationship between society and environment in general, environmental typically place special emphasis on studying the social factors that cause environmental problems, the societal impacts of those problems, and efforts to solve the problems. In addition, considerable attention is paid to the social processes by which certain environmental conditions become socially defined as problems. Most research in environmental sociology examines contemporary societies. Throughout history humans have both affected, and been affected by, the natural world. While a good deal has been lost due to human actions, much of what is valued about the environment has been preserved and protected through human action. While many uncertainties remain, there is a realization that environmental problems are becoming more and more complex, especially as issues arise on a more global level, such as that of atmospheric pollution or global warming . Interactions between human society and the environment are constantly changing. The environment, while highly valued by most, is used and altered by a wide variety of people with many different interests and values. Difficulties remain on how best to ensure the protection of our environment and natural resources. There will always be tradeoffs and, many times, unanticipated or unintended consequences. However, a well-managed environment can provide goods and services that are both essential for our well being as well as for continued economic prosperity. Ref: http://geography.osu.edu , http://www.sociologydiscussion.com , http://colorado.edu ., http://courses.lumenlearning.com , http://enviroliteracy.org , http://researchgate.net , http://study.com .